15 Oct 1940
  • British submarine HMS Triad detected Italian submarine Enrico Toti while running on the surface 100 miles south of Taranto, Italy at 0100 hours. Triad hit Enrico Toti twice with her deck gun, but the torpedo fired missed; Enrico Toti's damage prevented her from diving. Enrico Toti returned fire, hitting Triad twice with the deck gun and sprayed her with machine gun. As Triad attempted to dive, Enrico Toti scored a hit with a torpedo, sinking Triad at about 0130 hours and killing the entire crew of 59. ww2dbase [CPC]
  • Italian submarine Foca sank while laying a minefield off Haifa, British Mandate of Palestine. ww2dbase [CPC]
  • German submarine U-93 sank British ship Hurunui of Allied convoy OA-228 100 miles northwest of the Outer Hebrides, Scotland, United Kingdom just after 0000 hours; 2 were killed and 72 survived. Five hours later in the same general area, German submarine U-138 sank British ship Bonheur (all survived) and damaged British tanker British Glory (3 killed) of Allied convoy OA-228 between 0510 and 0515 hours. German submarine U-103 sank British ship Thistlegarth 100 miles northwest of the Outer Hebrides, Scotland, United Kingdom at 1933 hours; 30 were killed and 9 survived. Far to the south, Italian submarine Comandante Cappellini sank Belgian ship Kabalo 800 miles west of Casablanca, Morocco; 1 was killed. ww2dbase [Main Article | CPC]
  • US Marine Corps mobilized its reserve battalions, ordering that these reserve personnel to be assigned to active duty no later than 9 Nov 1940. ww2dbase [CPC]
  • Adolf Hitler noted that about half the Czechs in occupied western Czechoslovakia could be assimilated into the German population. The other half, which included the intellectuals, were to be eliminated. ww2dbase [Main Article | CPC]
Japan United Kingdom
  • The German Luftwaffe launched 5 fighter sweeps toward London and 1 over Southampton, both in England, United Kingdom; the Germans lost 16 fighter and 3 bombers, while the British lost 15 fighters with 6 pilots killed. Overnight, 400 German bombers dropped 530 tons of high explosives on London, killing 400 and wounding 900; Bristol and Birmingham were also attacked. ww2dbase [Main Article | CPC]
Photo(s) dated 15 Oct 1940
Adolf Hitler, Erich Raeder, Wilhelm Keitel, Erhard Milch, and Friedrich Fromm at the funeral of Admiral Adolf von Trotha, Berlin, Germany, 15 Oct 1940A London bus after falling into a massive bomb crater in the center of Balham High Road, London, England, UK, Oct 15 1940.

Timeline Section Founder: Thomas Houlihan
Contributors: Alan Chanter, C. Peter Chen, Thomas Houlihan, David Stubblebine
Special Thanks: Rory Curtis

15 Oct 1940 Interactive Map

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Famous WW2 Quote
"We no longer demand anything, we want war."

Joachim von Ribbentrop, German Foreign Minister, Aug 1939